How to turn off China Unicom Zaixin information fee

If you are a Guangdong Unicom user and need to turn off China Unicom's In-Letter service, Guangdong Unicom users can send text messages "pbyw" to 10655133 and "GBYW" to 106559342 to apply for blocking functions such as China Unicom's In-Letter service or enable and close it. SMS reminder function for information fees.

If you are a user from other provinces, you can call the local 10010 hotline or go to the local business office to learn how to close China Unicom.